23455400 has 48 divisors (see below), whose sum is σ = 56916000. Its totient is φ = 8972480.

The previous prime is 23455387. The next prime is 23455417. The reversal of 23455400 is 455432.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2051 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (1185750).

Almost surely, 2^23455400 is an apocalyptic number.

23455400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23455400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28458000).

23455400 is an abundant number, since it is smaller than the sum of its proper divisors (33460600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23455400 is a wasteful number, since it uses less digits than its factorization.

23455400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 23455400 is about 4843.0775339654. The cubic root of 23455400 is about 286.2513968010.

The spelling of 23455400 in words is "twenty-three million, four hundred fifty-five thousand, four hundred".